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13118706 = 233379641
BaseRepresentation
bin110010000010…
…110011110010
3220200111111000
4302002303302
511324244311
61145102430
7216335646
oct62026362
926614430
1013118706
117450307
124487a16
132944263
141a56c26
151242056
hexc82cf2

13118706 has 32 divisors (see below), whose sum is σ = 29275200. Its totient is φ = 4354560.

The previous prime is 13118669. The next prime is 13118711. The reversal of 13118706 is 60781131.

It is a super-2 number, since 2×131187062 = 344200894228872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13118706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20146 + ... + 20786.

It is an arithmetic number, because the mean of its divisors is an integer number (914850).

Almost surely, 213118706 is an apocalyptic number.

13118706 is an abundant number, since it is smaller than the sum of its proper divisors (16156494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13118706 is a wasteful number, since it uses less digits than its factorization.

13118706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13118706 is about 3621.9754278570. The cubic root of 13118706 is about 235.8469873796.

Adding to 13118706 its reverse (60781131), we get a palindrome (73899837).

It can be divided in two parts, 13118 and 706, that added together give a cube (13824 = 243).

The spelling of 13118706 in words is "thirteen million, one hundred eighteen thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 54 379 641 758 1137 1282 1923 2274 3411 3846 5769 6822 10233 11538 17307 20466 34614 242939 485878 728817 1457634 2186451 4372902 6559353 13118706